MLX5EN(4)

NAME
mlx5en - Mellanox ConnectX-4 and ConnectX-4 LX based 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapter driver

SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:

options COMPAT_LINUXKPI
device mlx5
device mlx5en

To load the driver as a module at run-time, run the following command as root:

    kldload mlx5en

To load the driver as a module at boot time, place the following lines in loader.conf(5):

    mlx5en_load="YES"

DESCRIPTION
The mlx5en driver provides support for PCI Express Ethernet adapters based on ConnectX-4 and ConnectX-4 LX. The driver supports Jumbo Frames, Transmit/Receive checksum offload, TCP segmentation offload (TSO), Large Receive Offload (LRO), HW Large Receive Offload (HW LRO), VLAN tag insertion/extraction, VLAN checksum offload, VLAN TSO, and Receive Side Steering (RSS).
The network interface is named mce.
For further hardware information and questions related to hardware requirements, see http://www.mellanox.com/.

For more information on configuring this device, see ifconfig(8).

HARDWARE
The mlx5en driver supports 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapters. ConnectX-4 supports:10/20/25/40/50/56/100Gb/s speeds. ConnectX-4 LX supports:10/25/40/50Gb/s speeds (and reduced power consumption) :

•   Mellanox MCX455A-ECAT
•   Mellanox MCX456A-ECAT
•   Mellanox MCX415A-CCAT
•   Mellanox MCX416A-CCAT
•   Mellanox MCX455A-FCAT
•   Mellanox MCX456A-FCAT
•   Mellanox MCX415A-BCAT
•   Mellanox MCX416A-BCAT
•   Mellanox MCX4131A-GCAT
•   Mellanox MCX4131A-BCAT
•   Mellanox MCX4121A-ACAT
•   Mellanox MCX4111A-ACAT
•   Mellanox MCX4121A-XCAT
•   Mellanox MCX4111A-XCAT

SUPPORT
For general information and support, go to the Mellanox support website at: http://www.mellanox.com/.

If an issue is identified with this driver with a supported adapter, email all the specific information related to the issue to <freebsd-drivers@mellanox.com>.

SEE ALSO
ifconfig(8)

HISTORY
The mlx5en device driver first appeared in FreeBSD 11.0.

AUTHORS
-nosplit The mlx5en driver was written by Mellanox Technologies <freebsd-drivers@mellanox.com>.